Rustic Potato Soup | America's Test Kitchen

Ingredients

• 6 cups low-sodium chicken broth
• 2 pounds red potatoes, peeled and cut into 3/4-inch cubes
• 1 bay leaf
• 2 tablespoons unsalted butter
• 1 pound kielbasa sausage, cut into 1/2-inch pieces
• 2 large leeks, white and light green parts only, cut in half lengthwise, then sliced thin crosswise
• 1/2 bunch kale, stems removed and leaves cut crosswise into 1/4-inch strips (about 4 packed cups)
• Ground black pepper